public interface AdrsList {
	public abstract int getAdrsNum(int pathNum);
	public abstract Adrs getFirstAdrs(int pathNum);
	public Adrs lookFirstAdrs(int pathNum);
	public abstract int getPathNum();
	public void addAdrs(Adrs a,int path);
	public void addAdrs(int x,int y,int path);
	public boolean hasAdrs(Adrs adrs);
	public void setListLength(int l);
	public int getListLength();
	public int[] getAdrsNumList();
	public Adrs[][] getPath();
	public int[] getFirstNumList();
}
